| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent generation of erroneous exchange of a network cable or, in inserting or removing a network cable, another network cable from being removed by being caught in. <P>SOLUTION: A network management device 1 includes means for detecting presence/absence of the connection of a network cable in each port of a network device; means for locking or unlocking the network cable; means for determining presence/absence of failure in each port; and a network device state management function for performing control, of the plurality of ports, for locking each port with the presence of connection detected and the absence of failure determined, and for unlocking each port with the presence of failure determined. <P>COPYRIGHT: (C)2012,JPO&INPIT |
